In a large pot, melt butter and 7 cups of mini marshmallows on medium heat. Make sure you stir every 15-30 seconds until the two ingredients are combined.
Mix in vanilla and lavender extract.
Add in Rice Krispy cereal and mix until everything is coated in the marshmallow mixture.
Let sit for 1 minute to cool.
Stir in remaining marshmallows.
Spray a 9 x 13" pan with non-stick spray and then pour krispy mixture into pan.
Spray non-stick cooking spray on your hands and press mixture down into the pan until it is one even layer
Place in the refrigerator for at least 30 minutes.
While the krispys are cooling, place melting chocolate in a microwave safe bowl. Melt using 30 second intervals.
Once the treats and cooled, cut them into individual servings and place them on a baking sheet lined with parchment paper.
Dip the bottom 1/3 of a krispy into the melted chocolate. On the side of the bowl, tap off excess chocolate and then scrape the bottom.
Place back on parchment paper to dry. Repeat with remaining krispys.
Once you are finished dipping, place chocolate in a piping bag.
Drizzle chocolate over the top of the krispys.
Add sprinkles and fresh lavender.